5278815 has 12 divisors (see below), whose sum is σ = 9150024. Its totient is φ = 2815344.

The previous prime is 5278813. The next prime is 5278829. The reversal of 5278815 is 5188725.

It is not a de Polignac number, because 5278815 - 2¹ = 5278813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5278815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58609 + ... + 58698.

It is an arithmetic number, because the mean of its divisors is an integer number (762502).

Almost surely, 2^5278815 is an apocalyptic number.

5278815 is a deficient number, since it is larger than the sum of its proper divisors (3871209).

5278815 is a wasteful number, since it uses less digits than its factorization.

5278815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117318 (or 117315 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5278815 is about 2297.5671916181. The cubic root of 5278815 is about 174.1187259468.

The spelling of 5278815 in words is "five million, two hundred seventy-eight thousand, eight hundred fifteen".